S.C. Code Ann. § 38-5-10
Every insurer doing business in this State must be licensed and supervised by the director or his designee, with the following exceptions:
(a) Without excluding other activities which may not constitute doing business in this State, a foreign or alien insurer is not considered to be doing business in this State, for purposes of this chapter, or Chapter 7, 13, 25, or 27, solely by reason of carrying on in this State any one or more of the following activities: